2013-04-24 23:57:10 +02:00
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\documentclass{article}
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\usepackage[pdftex,active,tightpage]{preview}
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\setlength\PreviewBorder{2mm}
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\usepackage{tikz}
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\usepackage{tkz-fct}
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\usetikzlibrary{shapes.misc}
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2015-10-14 14:25:34 +02:00
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\usetikzlibrary{shapes, calc, decorations}
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2013-04-24 23:57:10 +02:00
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\usepackage{amsmath,amssymb}
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\begin{document}
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\begin{preview}
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\begin{tikzpicture}[dot/.style={ thick,
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%draw=gray,
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%cross out,
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fill,
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shape=circle,
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inner sep=3pt,
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minimum width=4pt,
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minimum height=4pt}]
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\newcommand{\R}{2cm};
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\node (a) [dot] at (0,0) {};
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\node (b) [dot] at (\R,0) {};
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\node (c) [dot] at ({\R*cos(60)},{\R*sin(60)}) {};
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%\draw[dashed,thick] (a) circle(\R);
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%\draw[dashed,thick] (b) circle(\R);
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%\draw[dashed,thick] (c) circle(\R);
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\draw[->, ultra thick] (a) -- (b);
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\draw[->, ultra thick] (b) -- (c);
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\draw[->, ultra thick] (c) -- (a);
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\end{tikzpicture}
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\end{preview}
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\end{document}
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